Key result
Observing two blocked atrial activations during A-on-V tachycardia termination provides crucial diagnostic clues before pacing.
Observing the spontaneous termination of an A-on-V tachycardia can provide critical diagnostic clues to its mechanism without the need for additional pacing maneuvers.
May aid mechanism diagnosis via termination patterns; leaves open generalizability beyond case reports.
The termination of tachycardia may provide important clues toward the mechanism of the tachycardia and that close vigilance may clinch the diagnosis before proceeding to other pacing maneuvers.
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Deveci et al. (2021) studied this question. Observing the termination of an A-on-V tachycardia with two blocked atrial activations provides crucial diagnostic clues to its mechanism prior to utilizing other pacing maneuvers.
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